Merge branch 'eigen-hotfix' into 'master'

CMake: Remove accidental target_link_libraries(Eigen3::Eigen)

See merge request !73

CMakeLists.txt

@@ -306,7 +306,6 @@ if (TARGET Eigen3::Eigen)
   message (STATUS "Found Eigen3")
   set (COMISO_EIGEN3_CONFIG_FILE_SETTINGS "#define COMISO_EIGEN3_AVAILABLE 1" )
   list( APPEND COMISO_LINK_LIBRARIES Eigen3::Eigen)
-  target_link_libraries(Eigen3::Eigen)
 else ()
   message (FATAL_ERROR "Eigen3 not found!")
   set (COMISO_EIGEN3_CONFIG_FILE_SETTINGS "#define COMISO_EIGEN3_AVAILABLE 0" )